数据手册 | 开发工具 | 应用点滴 | 封装说明 | 邦定图解 P-DIP Type Item 14 pin 18 pin 20 pin 24 pin 28 pin 32 pin 40 pin 44 pin EM78P153E EM78153E - - - - - - - EM78P153S EM78153S - - - - - - - EM78P156E/EL/EH EM78156E/EL/EH - - - - - - - EM78P257 EM78257 - - - - - - EM78P447S EM78447S - - - - - - EM78450 - - - - - - - EM78P451/E EM78451 - - - - - - - EM78P458 EM78458 - - - - - - - Skinny P-DIP Type Item 14 pin 18 pin 20 pin 24 pin 28 pin 32 pin 40 pin 44 pin EM78P459 EM78459 - - - - - - - SOP Type Item 14 pin 18 pin 20 pin 24 pin 28 pin 32 pin 40 pin 44 pin EM78P153E EM78153E - - - - - - - EM78P153S EM78153S - - - - - - - EM78P156E/EL/EH EM78156E/EL/EH - - - - - - - EM78P257 EM78257 - - - - - - EM78P447S EM78447S - - - - - - EM78P458 EM78458 - - - - - - - EM78P459 EM78459 - - - - - - - QFP Type Item 14 pin 18 pin 20 pin 24 pin 28 pin 32 pin 40 pin 44 pin EM78P451/E EM78451 - - - - - - - SSOP Type Item 14 pin 18 pin 20 pin 24 pin 28 pin 32 pin 40 pin 44 pin EM78P156E/EL/EH EM78156E/EL/EH - - - -  - - - EM78P447S EM78447S - - - - - - -